HP ProBook 470 G4 fan replacement

Step-by-step HP ProBook 470 G4 fan replacement rewritten in our own words from HP's Maintenance and Service Guide, with page citations.

Part you need905774-001HP fan for the HP ProBook 470 G4
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On this page
  1. Applies to
  2. tools and parts
  3. preparation
  4. replacement
  5. Part numbers in our catalog
  6. Manufacturer manual
Source: steps rewritten in our own words (no more than 8 words in a row copied; part numbers, screw sizes and warnings kept as printed) from HP's Maintenance and Service Guide (PDF, printed pages 62–67). Not bench-tested. We have not performed this repair; keep HP's manual open for its illustrations. Scope restrictions below are part of the guide: do not apply it to other models, generations or configurations. Service manuals are written for trained technicians; work at your own risk.

Labels: DOCUMENTED = taken from HP's manual; PROPOSED = our own joining or ordering of HP's directions, not an HP instruction; UNPERFORMED = a suggested check that has not been carried out.

Applies to

HP ProBook 470 G4. Confirm the exact model on the service label before starting.

HP ProBook 470 G4 Notebook PC fan replacement. HP prints this procedure on printed page 66 of its maintenance and service guide.

tools and parts

  • Screwdrivers and a non-marking pry tool as HP lists for this procedure
  • Static-safe work surface
  • 905774-001 - Fan. Source: printed page 66.

preparation

Save your work and shut the computer down through the operating system, unplug AC power and every external device, and work on a clean, grounded, ESD-protected surface while sorting each screw by its original location. Handle every cable by its connector and put each one back in its own place during reassembly.

  1. Position the computer upright on a flat surface. (printed page 62).

replacement

  1. Detach the fan cable from the system board. (printed page 66).
  2. Take the lead from the clip at the side of the fan (2). (printed page 66).
  3. Take out the Phillips PM2.5×7.0 screw that holds the fan to the computer. (printed page 66).
  4. Lift the fan from the computer (4). (printed page 67).
  5. Fit the replacement part by working back through the printed removal steps (printed page 67).

Part numbers in our catalog

Check each part page for its source and variant notes before ordering.

Manufacturer manual

HP Maintenance and Service Guide (PDF, HP). Machine-readable copy: /api/guides/hp-probook-470-g4-fan-replacement-p66

Key facts

HP document part number
903120-001
Model
HP ProBook 470 G4
Release year
2016
Screen size
17.3"
Printed pages
62–67

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